Need ReactJS developer with AWS S3 expertise, Read Requirements Properly before bidding

We are webcast company and we have created internal file transfer system for our clients just like wetransfer. We are facing issue uploading folder. Files are uploaded well. The issue is with compression while folder being uploaded. "JSZip" package is used for compression. It consumes so much of cpu usage and memory. We need to get rid of that cpu usage and memory usage. Our webapp uses ReactJS, so i need experienced ReactJS developer for my web app with having AWS S3 experience..

Type "TY GOD" at the beginning of the bid so i can understand that you have gone through the requirements.